How long will it take until the reading

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What should be the 6C14 content (in percent of y0) of a fossilized tree that is claimed to be 7000 years old?

A thermometer, reading 8degC , is brought into a room whose temperature is 22degC. Two minutes later the thermometer reading is 19 degC. How long will it take until the reading is practically 22 degC, say,21.8 degC?

Reference no: EM13805119

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